Good news for South Florida vegetable producers, Asian bean thrips (ABT) populations are less widespread than last year and are only being reported at moderate levels in some locations. According to University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), Asian Bean Thrips are only being observed at 0.4 to 0.6 per bloom in a limited number of fields. …
Pecan Producers: Monitor for ‘Active’ Ambrosia Beetles
By Clint Thompson Southeast pecan producers need to protect their crop against ambrosia beetles, which are active right now. According to the University of Georgia (UGA) Extension pecan blog, growers who have had problems with the pest in the past or who have newly planted trees need to apply sprays of a pyrethroid like Bifenthrin. “Due to the number of …
Caterpillar Pressure Varies Across South Florida
Caterpillar pressure varies among crops and regions in South Florida, according to the most recent South Florida Pest and Disease Hotline. Respondents in the Everglades Agricultural Area report most worm pressure on sweet corn is low, but lesser corn stalk borers are moderate in some sandy areas. Caterpillar pressure is low around the southwest Florida area, though there appears to …
Grafting in Tomato: A Practical Tool for Root-Knot Nematode Control
By Abolfazl Hajihassani Control of root-knot nematodes (Meloidogyne spp.) is a severe challenge for growers because the pests have abroad host range and can survive in the soil for several years. This makes crop rotation impractical and inefficient for nematode management. Other major management options for root-knot nematodes in tomato include chemical controls using fumigant and non-fumigant nematicides and resistant varieties/rootstocks. …
Fire Ant Control Key in Young Citrus Groves
Fire ant management is essential to the long-term sustainability of citrus groves. This is particularly true for young trees still trying to develop root systems, said Xavier Martini, assistant professor of entomology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center (NFREC). Martini spoke on insect management at the recent UF/IFAS …
Advances in Corn Silk Fly Management and Ecology
By Julien Beuzelin Fall armyworms and corn silk flies are the main insect pests of sweet corn in Florida. Management relies primarily on insecticides, but the two pests represent different challenges. Fall armyworm infestations can be devastating if left unmanaged. However, several registered insecticides such as methomyl (Lannate, Nudrin), chlorantraniliprole (Coragen, Vantacor) or spinetoram (Radiant) are very effective at maintaining …
Time for Peach Producers to Treat for Scale Insects
Warmer temperatures make for a bearable winter in Georgia. But scale insects enjoy them, too. That is a problem for the state’s peach producers. Now is a good time for growers to make appropriate chemical applications, according to the University of Georgia (UGA) Extension peach blog. Brett Blaauw, assistant professor at the UGA College of Agricultural and Environmental Sciences, advises …
Rabbit Management: Conserve Habitat for Predators
By Clint Thompson Management of a South Florida pest starts with conserving the habitat for its predators. That’s what sugarcane and vegetable producers need to keep in mind when managing rabbit wildlife. “I’m going to quote a gentleman who heard about our (rabbit) workshop. He’s a producer in the western United States, and he said they had similar problems out …
Thrips Pressure Expected to Increase in Florida
Thrips pressure is currently low across the South Florida region. But this is the time of year when populations are expected to increase, according to the South Florida Pest and Disease Hotline. Vegetable growers, especially those with crops susceptible to thrips-vectored viruses, need to monitor populations and start management options early. Thrips pressure is starting to increase in most crops …
Whitefly Severity Varies Across Florida
Whitefly populations continue to vary in Florida vegetable fields. According to the South Florida Pest and Disease Hotline, adult whiteflies are being observed in melons, eggplant, tomatoes and peppers in Southwest Florida. Respondents in Homestead indicate that whiteflies are present in tomatoes, beans and squash. Tomato yellow leaf curl virus is widespread in tomato, though most fields are still under …